|
MINING qND MINE METHODS.
<br />The main opening is an adit or tunnel, 3-1~2 x 7 ft.
<br />extending in a S, 17, direction, about 900 ft, to breast, vrhere
<br />Titley 8~'Swanson, operating under a contract, are at work.
<br />At a point about 250 ft. from the mouth of the tunnel,.
<br />a drift runs 5, D5 Pt, to breast. At a point about 750 ft.
<br />fmom the mouth of the tunnel, across gut runs f15 ft, vrest, to
<br />breast. A winze GO ft, deep is sunk from tunnel level,
<br />at a point about 700 Pt, from the mouth. Some stoping ( 75 ft,
<br />high, and 25 ft, long,) has been done ,just over said winze.
<br />The tunnel is driven on vein, the name of which, I
<br />could not learn, the ultimate purpose being, to cut the Ohio
<br />vein.
<br />P.tethod of ore extraction a;mplayed, is overhand stoping,
<br />employing hand drilling, bath single and double.
<br />1Sethod of timbering employed, drift sets, of pine, in
<br />fair condition.
<br />Underground tramming is done by a man, with one ton steel,
<br />end dump car, Trackage, 8 lb, rail, in poor condition on
<br />account of grades.
<br />California
<br />Drainage, natural.
<br />eing Ventilation, natural- :fair.
<br />Sanitary conditions, fair,
<br />ed vrater
<br />The undergrannd lighting is done by candles.
<br />laved, Tunnel is in bad shape, as roof' is very low in places, and
<br />ut being
<br />grades excessive, the reenlt of which, an accident might occur
<br />by aar getting away from tralmner.
<br />
|